CN104902401B - Acoustical generator module - Google Patents
Acoustical generator module Download PDFInfo
- Publication number
- CN104902401B CN104902401B CN201510149655.XA CN201510149655A CN104902401B CN 104902401 B CN104902401 B CN 104902401B CN 201510149655 A CN201510149655 A CN 201510149655A CN 104902401 B CN104902401 B CN 104902401B
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- Prior art keywords
- sound mouth
- acoustical generator
- outlet sound
- generator module
- pressure
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- 230000000630 rising effect Effects 0.000 claims abstract description 6
- 238000007731 hot pressing Methods 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 10
- 230000010287 polarization Effects 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
- H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/023—Screens for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/127—Non-planar diaphragms or cones dome-shaped
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a kind of acoustical generator modules, it is related to electro-acoustic product technical field, including shell, vibrational system and magnetic circuit system are contained in the shell, the position that the vibrational system is corresponded on the shell is equipped with outlet sound mouth, the outlet sound mouth deviates the center setting of the vibrational system, and the outlet sound mouth is the rising mouth for being higher by the case surface；The vibrational system includes vibrating diaphragm, the vibrating diaphragm is equipped with top dome close to the middle part of the outlet sound mouth side, corresponded in the top dome outlet sound mouth orthographic projection region be equipped with pressure-regulating portion, the pressure-regulating portion be higher by other positions of the top dome and to the direction of the outlet sound mouth protrusion.Acoustical generator module of the present invention solves the asymmetric technical problem of operatic tunes sound-filed simulation before acoustical generator module in the prior art, operatic tunes sound-filed simulation is asymmetric before the present invention can balance, part increases the acoustic pressure distribution of diaphragm surface, it is set to balance each other with rest part, system polarization is effectively reduced, harmonic distortion is reduced.
Description
Technical field
The present invention relates to electro-acoustic product technical field, more particularly to a kind of acoustical generator module.
Background technology
Acoustical generator module is the important acoustic element of portable electronic device, for completing between electric signal and voice signal
Conversion, be a kind of energy conversion device.Existing acoustical generator module generally includes shell, contained in shell vibrational system and
Magnetic circuit system, the position that vibrational system is corresponded on shell are equipped with the outlet sound mouth of acoustical generator module, and usual outlet sound mouth can correspond to vibration
The center of system is arranged, and the port of outlet sound mouth can be flushed with the outer surface of shell.But some acoustical generator modules in order to
Meet the structure design of total system, usually raised upper sound mouth design, i.e. the channel of outlet sound mouth is longer, and port is higher by
The outer surface of shell；The outlet sound mouth tends not to be located in vibrational system to meet the needs of system assembly simultaneously
Heart position.Such asymmetric mouth formula outlet sound mouth that rises will lead to the preceding operatic tunes sound field asymmetric distribution of acoustical generator module, speak
Acoustic pressure release at mouthful is larger, and sound field energy is more concentrated at outlet sound mouth, and the region of acoustic energy Relatively centralized is to vibrational system
Reaction force bigger, so as to cause diaphragm surface acoustic pressure asymmetric distribution, as shown in Figure 5.The outlet sound mouth of asymmetric setting will be led
It causes the acoustic load power distribution of diaphragm surface asymmetric, will result directly in vibrational system polarization aggravation, harmonic distortion increases.
Invention content
For disadvantages described above, technical problem to be solved by the invention is to provide a kind of acoustical generator module, this acoustical generator moulds
Group can balance before in the operatic tunes sound-filed simulation it is asymmetric, part increases the acoustic pressure distribution of diaphragm surface, makes itself and rest part
It balances each other, reduces system polarization, reduce harmonic distortion.
In order to solve the above technical problems, the technical scheme is that：
A kind of acoustical generator module, including shell, contain vibrational system and magnetic circuit system in the shell, on the shell
The position of the corresponding vibrational system is equipped with outlet sound mouth, and the outlet sound mouth deviates the center setting of the vibrational system, and
The outlet sound mouth is the rising mouth that port is higher by the case surface；The vibrational system includes vibrating diaphragm, and the vibrating diaphragm is close to institute
The middle part for stating outlet sound mouth side is equipped with top dome, and the orthographic projection region that the outlet sound mouth is corresponded in the top dome is equipped with pressure-regulating portion, described
Pressure-regulating portion be higher by other positions of the top dome and to the direction of the outlet sound mouth protrusion.
Wherein, the shell includes combined upper casing and lower casing, and the outlet sound mouth is arranged on institute's upper casing.
Wherein, the pressure-regulating portion is the high globoidal structure in the low center in periphery.
Wherein, the pressure-regulating portion is the planar structure that periphery is mutually connected by inclined-plane with other positions of the top dome.
Wherein, the pressure-regulating portion is wavy surface structure.
Wherein, the outlet sound mouth is arranged close to the one side edge of the top dome.
Wherein, it is covered with Air Filter at the port of the outlet sound mouth.
Wherein, the shape and size of the pressure-regulating portion are adapted with the orthographic projection region of the outlet sound mouth.
Wherein, the pressure-regulating portion in the top dome is molded by heat pressing process.
After using above-mentioned technical proposal, the beneficial effects of the invention are as follows：
Since acoustical generator module of the present invention includes shell, the position that vibrational system is corresponded on shell is equipped with outlet sound mouth, speaks
Mouth deviates the center setting of vibrational system, and outlet sound mouth is the rising mouth that port is higher by case surface；Vibrational system is shaken
Film is equipped with top dome close to the middle part of outlet sound mouth side, and the orthographic projection region that outlet sound mouth is corresponded in top dome is equipped with pressure-regulating portion, and pressure-regulating portion is high
Go out other positions of top dome and to the direction of outlet sound mouth protrusion.Positioned at the position design in the orthographic projection region of outlet sound mouth in top dome
To the pressure-regulating portion of outlet sound mouth direction protrusion, the outlet sound mouth region with non-mouth region of speaking of the operatic tunes before being readjusted by the pressure-regulating portion
The ratio of the acoustic capacitance product in domain, when vibrational system starts sound radiation pressure, the acoustic capacitance product readjusted can balance sound field in the preceding operatic tunes
The asymmetry of distribution, part increase the acoustic pressure distribution of diaphragm surface so that diaphragm surface is positioned at the acoustic pressure for mouth region of speaking and its
The acoustic pressure at its position balances each other, to can effectively reduce the size of system polarization, improve the harmonic distortion of acoustical generator module.
In conclusion operatic tunes sound-filed simulation is not right before acoustical generator module of the present invention solves acoustical generator module in the prior art
The technical issues of title, operatic tunes sound-filed simulation is asymmetric before acoustical generator module of the present invention can balance, and part increases diaphragm surface
Acoustic pressure distribution, so that it is balanced each other with rest part, effectively reduce system polarization, reduce harmonic distortion.
Description of the drawings
Fig. 1 is the structural schematic diagram of acoustical generator module embodiment one of the present invention；
Fig. 2 is the line A-A sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of acoustical generator module embodiment two of the present invention；
Fig. 4 is the line B-B sectional view of Fig. 3；
Fig. 5 is the diaphragm surface acoustic pressure distribution map of outlet sound mouth biasing；
In figure：10, upper casing, 12, outlet sound mouth, 20, lower casing, 30, vibrating diaphragm, 32a, top dome, 32b, top dome, 320a, pressure-regulating portion,
320b, pressure-regulating portion, 322, central part, 324, interconnecting piece, 34, voice coil, 40, frame, 42, magnet, 44, washer, 50, Air Filter.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is further explained.
Involved in this specification to orientation on refer both to the direction of vibrational system, the side with magnetic circuit system be referred both under orientation
To；Involved in this specification to inside refer both to be located at module in intracavitary side, outside refer both to be located at module inner cavity outside one
Side.
Embodiment one：
As shown in Figure 1, a kind of acoustical generator module, including shell, shell is by 20 structure of combined upper casing 10 and lower casing
At containing vibrational system and magnetic circuit system in the space that upper casing 10 and lower casing 20 surround.Vibrational system includes that edge part is fixed
Vibrating diaphragm 30 between upper casing 10 and lower casing 20, vibrating diaphragm 30 are fixedly arranged in the middle of top dome 32a, vibrating diaphragm 30 close to the side of upper casing 10
The other side be fixed with voice coil 34.Magnetic circuit system includes the frame 40 for being fixed on 20 inside of lower casing, the medial center position of frame 40
It sets and is fixed with magnet 42 and washer 44 successively, magnetic gap, voice coil 34 are equipped between magnet 42 and washer 44 and the side wall of frame 40
End be located in magnetic gap.Voice coil 34 is done according to the size and Orientation by the sound wave electric signal in its coiling in magnetic gap
Reciprocal to move up and down, vibrating diaphragm 30 and top dome 32a are vibrated with the up and down motion of voice coil 34, air sounding are instigated, to complete
Energy conversion between electroacoustic.
As Fig. 1 and Fig. 2 jointly shown in, the position that vibrational system is corresponded on upper casing 10 is equipped with outlet sound mouth 12, and outlet sound mouth 12 leans on
The one side edge setting of nearly top dome 32a deviates the center of vibrational system, and outlet sound mouth 12 is that port is higher by 10 surface of upper casing
Rising mouth.The position that the orthographic projection region of outlet sound mouth 12 is corresponded on top dome 32a is equipped with pressure-regulating portion 320a, and pressure-regulating portion 320a is higher by
Other positions of top dome 32a are simultaneously raised to the direction of outlet sound mouth 12.
As Fig. 1 and Fig. 2 jointly shown in, pressure-regulating portion 320a is the high globoidal structure in the low center in periphery, the ruler of pressure-regulating portion 320a
Very little and highly desirable amplitude and module according to vibrational system acoustic performance requirements setting, that is, want that acoustic pressure can be balanced, reduce system
System polarization is dynamic, and cannot encounter the inner wall of upper casing 10, can be determined by emulation experiment.Preferred pressure-regulating portion in present embodiment
The shape and size of 320a are adapted with the orthographic projection region of outlet sound mouth 12.The result of emulation experiment can be passed through in practical application
The shape and size of pressure-regulating portion are adjusted, shape can be variform other shapes with the orthographic projection region of outlet sound mouth 12
Shape, size can be less than the size in the orthographic projection region of outlet sound mouth 12, can also be more than the orthographic projection region of outlet sound mouth 12
Size.
As Fig. 1 and Fig. 2 jointly shown in, other positions of pressure-regulating portion 320a and top dome 32a are structure as a whole, pressure-regulating portion 320a
It can be process by infrared hot press forming technology or air-pressure forming technique etc., present embodiment preferably infrared hot-forming work
Skill, because the mold that infrared hot press forming technology needs is simple, molding is fast, and production efficiency is high.
As shown in Figure 1, be covered with Air Filter 50 at the port of outlet sound mouth 12, Air Filter 50 can stop external dust and
Sundries enters the inner cavity of acoustical generator module from outlet sound mouth 12, can extend the service life of acoustical generator module.
As shown in Figure 1, lower casing 20 is the loop configuration that upper and lower ends are open, frame 40 is mounted on the opening of its lower end
Locate, after the completion of module group assembling, the outer surface of frame 40 is flushed with the lower face of lower casing 20, and such structure can effectively reduce module
Thickness, can meet portable electronic device thin type development requirement.
Embodiment two：
Present embodiment and embodiment one are essentially identical, the difference is that：
As Fig. 3 and Fig. 4 jointly shown in, corresponded on top dome 32b the orthographic projection region of outlet sound mouth 12 position be equipped with pressure-regulating portion
320b, pressure-regulating portion 320b include the central part 322 of planar structure, and the periphery of central part 322 passes through interconnecting piece 324 and top dome 32b
Other positions linking be integrated, interconnecting piece 324 be approximately conical shape annular chamfer structure.
The structure of pressure-regulating portion is not limited to the structure described in above-mentioned two embodiment, can also be that centre is equipped with recess
Wavy surface structure etc., as long as operatic tunes acoustic pressure before balance can be played the role of.
The present invention corresponds to the position in outlet sound mouth orthographic projection region by the way that top dome is arranged to unsymmetric structure in top dome
Pressure-regulating portion to outlet sound mouth direction protrusion is set, and the outlet sound mouth region of the operatic tunes is spoken with non-before being readjusted by the pressure-regulating portion
The ratio of the acoustic capacitance product in mouth region domain, when vibrational system starts sound radiation pressure, the acoustic capacitance product readjusted can balance in the preceding operatic tunes
The asymmetry of sound-filed simulation, part increase the acoustic pressure distribution of diaphragm surface so that diaphragm surface is located at the acoustic pressure for mouth region of speaking
It balances each other with the acoustic pressure at other positions, to can effectively reduce the size of system polarization, improve the harmonic distortion of acoustical generator module
Characteristic.
The present invention is only to correspond to outlet sound mouth orthographic projection region in top dome to the present invention by taking above-mentioned acoustical generator module as an example
Position setting protrusion pressure-regulating portion technical solution for example, the structure of acoustical generator module is not limited in practical application
Structure is stated, technical scheme of the present invention can be applied in the module for the rising mouth that any type outlet sound mouth is biasing, therefore no matter send out
Whether the structure of sound device module is identical as in above-described embodiment, as long as corresponding to the position in outlet sound mouth orthographic projection region in top dome
The pressure-regulating portion of protrusion is installed, to reduce system polarization, the product for reducing harmonic distortion each falls within protection scope of the present invention
It is interior.
The present invention is not limited to above-mentioned specific embodiment, those skilled in the art from above-mentioned design,
Without performing creative labour, the various transformation made are within the scope of the present invention.
Claims (9)
1. acoustical generator module, including shell, vibrational system and magnetic circuit system are contained in the shell, institute is corresponded on the shell
State vibrational system position be equipped with outlet sound mouth, the outlet sound mouth deviate the vibrational system center setting, and it is described go out
Sound mouth is the rising mouth that port is higher by the case surface；The vibrational system includes vibrating diaphragm, and the vibrating diaphragm is spoken close to described
The middle part of mouth side is equipped with top dome, which is characterized in that and the orthographic projection region that the outlet sound mouth is corresponded in the top dome is equipped with pressure-regulating portion,
The pressure-regulating portion be higher by other positions of the top dome and to the direction of the outlet sound mouth protrusion.
2. acoustical generator module according to claim 1, which is characterized in that the shell include combined upper casing and
Lower casing, the outlet sound mouth are arranged on institute's upper casing.
3. acoustical generator module according to claim 2, which is characterized in that the pressure-regulating portion is the high cambered surface in the low center in periphery
Structure.
4. acoustical generator module according to claim 2, which is characterized in that the pressure-regulating portion be periphery by inclined-plane with it is described
The planar structure that other positions of top dome are mutually connected.
5. acoustical generator module according to claim 2, which is characterized in that the pressure-regulating portion is wavy surface structure.
6. the acoustical generator module according to claim 3 to 5 any claim, which is characterized in that the outlet sound mouth is close
The one side edge of the top dome is arranged.
7. acoustical generator module according to claim 6, which is characterized in that be covered at the port of the outlet sound mouth dust-proof
Net.
8. acoustical generator module according to claim 7, which is characterized in that the shape and size of the pressure-regulating portion with it is described go out
The orthographic projection region of sound mouth is adapted.
9. acoustical generator module according to claim 1, which is characterized in that the pressure-regulating portion in the top dome passes through hot pressing
Technological forming.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149655.XA CN104902401B (en) | 2015-03-31 | 2015-03-31 | Acoustical generator module |
| PCT/CN2015/094897 WO2016155327A1 (en) | 2015-03-31 | 2015-11-18 | Sounder module |
| US15/562,857 US9955251B1 (en) | 2015-03-31 | 2015-11-18 | Sounder module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149655.XA CN104902401B (en) | 2015-03-31 | 2015-03-31 | Acoustical generator module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104902401A CN104902401A (en) | 2015-09-09 |
| CN104902401B true CN104902401B (en) | 2018-09-07 |
Family
ID=54034748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510149655.XA Active CN104902401B (en) | 2015-03-31 | 2015-03-31 | Acoustical generator module |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9955251B1 (en) |
| CN (1) | CN104902401B (en) |
| WO (1) | WO2016155327A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902401B (en) * | 2015-03-31 | 2018-09-07 | 歌尔股份有限公司 | Acoustical generator module |
| US10397675B2 (en) | 2017-09-26 | 2019-08-27 | Harman International Industries, Incorporated | Dust protection for externally ported speaker enclosure |
| CN108430017B (en) * | 2018-04-24 | 2020-10-09 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| US11212620B2 (en) * | 2019-06-12 | 2021-12-28 | AAC Technologies Pte. Ltd. | Screen sounding device |
| WO2021000101A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021134495A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound generation device and diaphragm thereof |
| CN214014520U (en) * | 2020-10-30 | 2021-08-20 | 东莞泉声电子有限公司 | Bone conduction receiver and electronic device with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222049A (en) * | 1997-11-10 | 1999-07-07 | 日本先锋公司 | Dome speaker |
| JP2006333064A (en) * | 2005-05-26 | 2006-12-07 | Pioneer Electronic Corp | Ring speaker system |
| US7801324B2 (en) * | 2005-03-31 | 2010-09-21 | Pioneer Corporation | Speaker apparatus |
| CN101909232A (en) * | 2009-06-08 | 2010-12-08 | 富准精密工业(深圳)有限公司 | Sound film and speaker employing same |
| CN202565429U (en) * | 2012-01-09 | 2012-11-28 | 深圳市中天鼎晟电子科技有限公司 | Earphone housing |
| CN203368734U (en) * | 2013-06-29 | 2013-12-25 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN204498360U (en) * | 2015-03-31 | 2015-07-22 | 歌尔声学股份有限公司 | Acoustical generator module |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6229903B1 (en) * | 1999-06-14 | 2001-05-08 | Citizen Electronics Co., Ltd. | Mounting structure for electromagnetic sound generator |
| EP1271998B1 (en) | 2001-06-28 | 2008-04-16 | Matsushita Electric Industrial Co., Ltd. | Speaker system, mobile terminal device, and electronic device |
| JP2007081901A (en) * | 2005-09-15 | 2007-03-29 | Foster Electric Co Ltd | Speaker diaphragm and speaker |
| CN201238374Y (en) | 2008-07-04 | 2009-05-13 | 瑞声声学科技(常州)有限公司 | Novel miniature sounding device |
| CN201234336Y (en) | 2008-07-18 | 2009-05-06 | 比亚迪股份有限公司 | Receiver unit |
| JP5348112B2 (en) | 2010-11-15 | 2013-11-20 | 株式会社Ｊｖｃケンウッド | headphone |
| CN104902401B (en) | 2015-03-31 | 2018-09-07 | 歌尔股份有限公司 | Acoustical generator module |
-
2015
- 2015-03-31 CN CN201510149655.XA patent/CN104902401B/en active Active
- 2015-11-18 WO PCT/CN2015/094897 patent/WO2016155327A1/en active Application Filing
- 2015-11-18 US US15/562,857 patent/US9955251B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222049A (en) * | 1997-11-10 | 1999-07-07 | 日本先锋公司 | Dome speaker |
| US7801324B2 (en) * | 2005-03-31 | 2010-09-21 | Pioneer Corporation | Speaker apparatus |
| JP2006333064A (en) * | 2005-05-26 | 2006-12-07 | Pioneer Electronic Corp | Ring speaker system |
| CN101909232A (en) * | 2009-06-08 | 2010-12-08 | 富准精密工业(深圳)有限公司 | Sound film and speaker employing same |
| CN202565429U (en) * | 2012-01-09 | 2012-11-28 | 深圳市中天鼎晟电子科技有限公司 | Earphone housing |
| CN203368734U (en) * | 2013-06-29 | 2013-12-25 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN204498360U (en) * | 2015-03-31 | 2015-07-22 | 歌尔声学股份有限公司 | Acoustical generator module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104902401A (en) | 2015-09-09 |
| US9955251B1 (en) | 2018-04-24 |
| WO2016155327A1 (en) | 2016-10-06 |
| US20180115822A1 (en) | 2018-04-26 |
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